Click thumbnail for full size image
Outcrop of Bald Eagle sandstone at Shingletown Gap. Bald Eagle and Tuscarora sandstones make up many of the ridges of the central part of PA.
Copyright © 2017 | Legal Statement | Sitemap | Contact PAESTA
PAESTA is funded by the National Science Foundation:Award # DUE-0962792 & Award # GEO-0631377